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SubjectPaid lesson

POLLUTION 1

ClassNotes Team 7 MIN READUPDATED 7 JUL 2026

BIOLOGY SSS 2 SECOND TERM

WEEK SIX

POLLUTION 1

PERFORMANCE OBJECTIVE

Students should be able to;

  1. Define pollution
  2. Name air pollutant and their sources
  3. Enumerate the harmful effects of pollutants
  4. State effect of detergent, insecticides, artificial fertilizers and herbicides on aquatic and terrestrial organisms.

CONTENT

Pollution, also called environmental pollution, the addition of any substance (solid, liquid, or gas) or any form of energy (such as heat, sound, or radioactivity) to the environment at a rate faster than it can be dispersed, diluted, decomposed, recycled, or stored in some harmless form. The major kinds of pollution, usually classified by the environment, are air pollution, water pollution, and land pollution. Modern society is also concerned about specific types of pollutants, such…